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| 1892–96 |
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| Mariano Baptista succeeded Arce. | 1 |
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| 1896–99 |
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| Administration of Severo Fernández Alonso. Conservatives sought to make Sucre the capital. José Manuel Pando led a liberal revolution with support of La Paz. He allied himself with Pablo Zárate Willca, an Aymara leader, but soon Indians shifted to rebellion against all white landowners. Liberals and conservatives agreed to unite against the Indians. | 2 |
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| 1899 |
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| Brazilians in the rubber-producing Acre District proclaimed an independent state. Under threat of Brazilian military intervention, Bolivia signed the Treaty of Petrópolis, ceding the territory of Acre (1903). In return, Brazil built a railroad to transport Bolivian rubber. | 3 |
| In 1900, the Bolivian population reached 1.7 million. | 4 |
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| 1904–9 |
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| Presidency of Ismael Montes, who promoted railroad construction. | 5 |
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| 1904, Oct. 20 |
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| A treaty between Bolivia and Chile formally terminated the War of the Pacific and recognized Chilean possession of the coast. | 6 |
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| 1909–17 |
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| During the administration of Eleodoro Villazón (1909–13) and Ismael Montes's second term (1913–17), tin exports increased dramatically. In 1913, the boundary between Bolivia and Argentina was adjusted, and efforts were made to determine limits with Paraguay. (See Bolivia) | 7 |
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